Call a function: Difference between revisions

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 # of its definition</lang>
 =={{header|Elena}}==
-ELENA 3.4:
+ELENA 4.x:
 Declaring closures
 <lang elena>
-var c0 := [ console writeLine("No argument provided") ].
+var c0 := (){ console.writeLine("No argument provided") };
-var c2 := (:a:b)<int,int>[ console printLine("Arguments ",a," and ",b," provided")  ].
+var c2 := (int a, int b){ console.printLine("Arguments ",a," and ",b," provided") };
 </lang>
 Calling a closure without arguments
 <lang elena>
-   c0().
+   c0();
 </lang>
 Calling a closure with arguments
 <lang elena>
-   c2(2,4).
+   c2(2,4);
 </lang>
 Passing arguments by reference:
 <lang elena>
-    var exch := (:x)<ref<object>>[ x value := 2 ].
+    var exch := (ref object x){ x := 2 };
-    var a := 1.
+    var a := 1;
-    exch(&a).
+    exch(ref a);
 </lang>